JPH10240436A - Information processor and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily operate an image or a menu which are shown on the screen of a portable device by changing display content that is shown on a display means in accordance with the movement and rotation of the display means that is detected by a detecting means. SOLUTION: For instance, when an electronic camera is swayed to the right, and when it is detected that an object image that is detected by a CCD moved to the left with pixels of the CCD moved to the left by sixty-four pixels that are 1/10 of the number of horizontal pixels, pixels on an LCD 6 are also scrolled to the left by twenty-eight pixels that are 1/10 of the number of horizontal pixels. Similarly, when the electronic camera is vertically shaken, a screen shown on the LCD 6 is vertically scrolled. Then, when the electronic camera is shaken vertically or horizontally, monitoring a photographing image in the LCD 6 at the time of photographing, the photographing image is moved. Similarly to that, a reproduced image is scrolled as if a photographing image moves by vertically and horizontally shaking the electronic camera at the time of reproducing it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus and a recording medium, for example, information which is used to scroll or zoom an image displayed on the screen of the apparatus by moving or rotating the entire apparatus. The present invention relates to a processing device and a recording medium.

[0002]

2. Description of the Related Art Conventionally, when scrolling an image displayed on a screen or moving a cursor, a pointing device such as a joystick or a mouse is used. By moving the joystick in any direction, the image can be scrolled in any direction. Also, the cursor displayed on the screen can be moved in any direction. Similarly, by moving the mouse in any direction, the image displayed on the screen can be moved in any direction, and the cursor displayed on the screen can be moved in any direction.

[0003]

However, when scrolling an image displayed on the screen of a portable device or moving a cursor in a menu screen, it is conceivable to incorporate a joystick or the like into the portable device. However, in that case, there was a problem that the usability was not always satisfactory.

[0004] The present invention has been made in view of such a situation, and it is an object of the present invention to easily operate an image and a menu screen displayed on a screen of a portable device.

[0005]

An information processing apparatus according to claim 1 is a display means for displaying at least one of an image, a character, and a figure (for example, an LCD 6 in FIG. 2).
And detection means (for example, CCD 20 in FIG. 6 and piezoelectric gyro 6 in FIG. 14) which are provided integrally with the display means and detect at least one of movement and rotation of the display means.
Display change means (for example, FIG. 1, electronic compass 71 in FIG. 16) and display change means for changing display contents displayed on the display means according to at least one of movement and rotation of the display means detected by the detection means. 6 CPU 39).

The detecting means captures a predetermined image,
The movement and the rotation of the display means can be detected based on the time-series change of the captured image.

[0007] The detecting means may be constituted by a CCD.

[0008] The detecting means may detect the angular velocity due to the rotation, and detect the rotation of the display means based on the detected angular velocity.

Further, the detecting means can detect the angular velocity with respect to two axes.

[0010] The detecting means may be constituted by a piezoelectric gyro.

The detecting means may detect the azimuth and detect the rotation of the display means based on a time-series change of the detected azimuth.

Further, the detecting means can be constituted by an electronic compass.

An image pickup means (for example, CCD 20 in FIG. 4) for picking up an image of a predetermined subject, a storage means (for example, memory card 24 in FIG. 4) for storing an image picked up by the image pickup means, Control means (for example, CP shown in FIG. 6) for controlling the storage means to cause the storage means to store the image of the subject captured by the imaging means.
U39), and the display changing means, when the control means does not perform a process of causing the image capturing means to capture an image of the subject and storing the image of the subject captured by the image capturing means in the storage means, The display content to be displayed can be changed.

Further, the display control means can enlarge or reduce the display content displayed on the display means when the detection means detects the movement of the detection means in the optical axis direction.

Further, when at least one of the movement and the rotation of the display means is detected by the detection means, the prohibition means for prohibiting the display changing means from changing the display contents displayed on the display means (for example, , The release switch 10 of FIG. 1 and the recording switch 12) of FIG.

When the detecting means detects rotation about a predetermined straight line perpendicular to the screen of the display means, the display changing means rotates the display contents displayed on the display means by a predetermined angle. Can be

When the detecting means detects rotation around a predetermined straight line parallel to the screen of the display means, the display changing means scrolls the display content displayed on the display means in a predetermined direction. Can be

According to a fourteenth aspect of the present invention, a recording medium for displaying at least one of an image, a character, and a figure is provided integrally with the display means, and at least one of movement and rotation of the display means is provided. A recording medium used in an information processing apparatus including a detection unit that detects any one of them, and a display change unit that changes display content of a display unit,
According to another aspect of the present invention, there is recorded a program for controlling the display change means so as to change the display content displayed on the display means according to at least one of the movement and the rotation of the display means detected by the detection means.

In the information processing apparatus according to the first aspect, the display means displays at least one of an image, a character, and a figure, and the detection means provided integrally with the display means includes the display means. The display change means detects at least one of the movement and the rotation of the display means, and changes the display content displayed on the display means in accordance with at least one of the movement and the rotation of the display means detected by the detection means. I do.

[0020] In the recording medium according to the fourteenth aspect,
A program is recorded for controlling the display change means so as to change the display content displayed on the display means according to at least one of the movement and the rotation of the display means detected by the detection means.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 are perspective views showing a configuration example of an embodiment of an electronic camera to which the present invention is applied. In the electronic camera according to the present embodiment, when photographing a subject, a surface facing the subject is a surface X1,
The surface facing the user is referred to as a surface X2. Surface X1
A finder 2 used for confirming a photographing range of a subject, a photographing lens 3 for capturing an optical image of the subject,
A light emitting section (strobe) 4 for emitting light for illuminating the subject is provided.

Further, on the surface X1, a red-eye reduction LED 15 and a CCD 2, which emit light before the flash 4 emits light to reduce red-eye, when photographing with the flash 4 fired.
0 and a colorimetric element 17 for performing colorimetry when the operation of the CCD 20 is stopped, and a zoom switch. 60 is provided so that an input image can be zoomed optically or digitally, and a reproduced image can be zoomed digitally.

On the other hand, at the upper end of the surface X2 opposite to the surface X1 (a position corresponding to the upper end of the surface X1 where the finder 2, the photographing lens 3, and the light emitting section 4 are formed), the finder 2 and the A speaker 5 for outputting sound recorded in the electronic camera 1 is provided. Also, plane X2
The LCD 6 and the operation keys 7 are formed vertically below the finder 2, the photographing lens 3, the light emitting unit 4, and the speaker 5. On the surface of the LCD 6, a so-called touch tablet 6A that outputs position data corresponding to a pointed position by a contact operation of a pen-type pointing device described later is arranged.

The touch tablet 6A is made of a transparent material such as glass, resin or the like.
LCD 6 formed inside touch tablet 6A
Can be observed through the touch tablet 6A.

The operation key 7 is operated when, for example, recording data is reproduced and displayed on the LCD 6, and detects an operation (input) by a user, and receives a CPU (central process).
ng unit) 39 (FIG. 6).

The menu key 7A of the operation keys 7 is
These keys are operated when displaying a menu screen on the LCD 6. The execution key 7B is a key operated when reproducing the recording information selected by the user.

The cancel key 7C is operated when the reproduction process of the recorded information is interrupted. The delete key 7D is a key operated when deleting recorded information. The scroll key 7E is a key operated to scroll the screen up and down when a list of recording information is displayed on the LCD 6.

The surface X2 is provided with a slidable LCD cover 14 for protecting the LCD 6 when not in use. The LCD cover 14 covers the LCD 6 and the touch tablet 6A as shown in FIG. 3 when moved vertically upward. When the LCD cover 14 is moved vertically downward, the LCD 6 and the touch tablet 6A appear and the LCD cover 1 is moved.
The power switch 11 (described later) disposed on the surface Y2 is turned on by the fourth arm 14A.

On the surface Z, which is the upper surface of the electronic camera 1,
A microphone 8 for collecting sound and an earphone jack 9 to which an earphone (not shown) is connected are provided.

On the left side (surface Y1), there are provided a release switch 10 which is operated when capturing an image of a subject, and a continuous shooting mode changeover switch 13 which is operated when switching between continuous shooting modes during shooting. . The release switch 10 and the continuous shooting mode changeover switch 13 are arranged vertically below the finder 2, the taking lens 3 and the light emitting unit 4 provided at the upper end of the plane X1.

On the other hand, a surface Y2 (right side) opposed to the surface Y1
Has a recording switch 1 operated when recording voice.
2 and a power switch 11. The recording switch 12 and the power switch 11 are, like the release switch 10 and the continuous shooting mode changeover switch 13, the viewfinder 2 provided at the upper end of the surface X1.
It is arranged vertically below the taking lens 3 and the light emitting unit 4. The recording switch 12 is formed at substantially the same height as the release switch 10 on the surface Y1, so that it does not feel uncomfortable when holding it with either left or right hand.

The height of the recording switch 12 and that of the release switch 10 are intentionally made different from each other so that when one of the switches is pressed, the opposite side is held with a finger in order to cancel the moment due to this pressing force. The switch provided on the opposite side may be prevented from being pressed by mistake.

The continuous shooting mode changeover switch 13 is
When the user presses the release switch 10 to photograph a subject, this is used to set whether to photograph the subject in one frame or a predetermined plurality of frames. For example, when the release switch 10 is pressed while the pointer of the continuous shooting mode changeover switch 13 is switched to the position where “S” is printed (that is, the mode is switched to the S mode), only one frame is shot. Has been made to take place.

When the release switch 10 is pressed while the pointer of the continuous shooting mode changeover switch 13 is switched to the position where "L" is printed (that is, the mode is switched to the L mode), the release is performed. During the period in which the switch 10 is pressed, eight frames are shot per second (that is, the low-speed continuous shooting mode is set).

Further, a continuous shooting mode changeover switch 13
When the release switch 10 is pressed in a case where the pointer is switched to the position where “H” is printed (that is, the mode is switched to the H mode), during the period in which the release switch 10 is pressed, 30 frames are taken per second (that is, high-speed continuous shooting mode is set).

Next, the internal configuration of the electronic camera 1 will be described. FIG. 4 is a perspective view showing an example of the internal configuration of the electronic camera shown in FIGS. The CCD 20 is provided downstream of the photographing lens 3 (on the surface X2 side), and photoelectrically converts an optical image of a subject formed through the photographing lens 3 into an electric signal.

The display element 26 in the finder is arranged in the field of view of the finder 2 and displays the setting state of various functions and the like to the user who is looking at the subject through the finder 2.

On the lower side of the LCD 6, four columnar batteries (AA batteries) 21 are arranged vertically, and the power stored in the battery 21 is supplied to each section. It has been done. Further, a capacitor 22 for storing electric charge for causing the light emitting section 4 to emit light is disposed together with the battery 21 below the LCD 6 vertically.

Various control circuits for controlling each part of the electronic camera 1 are formed on the circuit board 23. A memory card 24 that can be inserted and removed is provided between the circuit board 23, the LCD 6, and the battery 21.
Various kinds of information input to the electronic camera 1 are respectively recorded in preset areas of the memory card 24.

Further, the LCD switch 25 disposed adjacent to the power switch 11 is a switch which is turned on only while its projection is being pressed,
When the cover 14 is moved vertically downward, FIG.
As shown in FIG. 5, the arm 14A of the LCD cover 14 is turned on together with the power switch 11.

When the LCD cover 14 is positioned vertically upward, the power switch 11 is turned on by the LCD switch 25.
Independent of the user. For example, LC
When the D cover 14 is closed and the electronic camera 1 is not used, as shown in FIG.
And the LCD switch 25 is off. In this state, the user sets the power switch 11 in FIG.
As shown in (c), when the power switch 11 is turned on, the power switch 11 is turned on.
Remain off. On the other hand, as shown in FIG. 5B, when the LCD cover 14 is opened while the power switch 11 and the LCD switch 25 are off, as shown in FIG. The LCD switch 25 is turned on. After that, when the LCD cover 14 is closed, the LCD switch 25
Alone is in the off state as shown in FIG.

In the present embodiment, the memory card 24 can be inserted and removed. However, a memory may be provided on the circuit board 23 so that various information can be recorded in the memory. Also, a memory (memory card 24)
May be output to an external personal computer or the like via an interface (not shown).

Next, an example of the electrical configuration inside the electronic camera 1 of the present embodiment will be described with reference to the block diagram of FIG. The CCD 20 having a plurality of pixels photoelectrically converts a light image formed on each pixel into an image signal (electric signal). A digital signal processor (hereinafter referred to as DSP) 33 supplies a CCD horizontal drive pulse to the CCD 20, controls a CCD drive circuit 34, and supplies the CCD 20 with a CCD vertical drive pulse.

The image processing section 31 is controlled by the CPU 39, samples the image signal photoelectrically converted by the CCD 20 at a predetermined timing, and converts the sampled signal into a signal.
It is designed to amplify to a predetermined level. CPU3
Numeral 9 controls each unit according to a control program stored in a ROM (read only memory) 43. Analog / digital conversion circuit (hereinafter A / D
The conversion circuit 32 digitizes the image signal sampled by the image processing unit 31 and supplies it to the DSP 33.

The DSP 33 controls a data bus connected to the buffer memory 36 and the memory card 24.
After temporarily storing the image data supplied from the / D conversion circuit 32 in the buffer memory 36, the image data stored in the buffer memory 36 is read, and the image data is recorded on the memory card 24.

The DSP 33 includes an A / D conversion circuit 32
The supplied image data is stored in the frame memory 35 and displayed on the LCD 6, and the memory card 2
After reading out the photographed image data from the memory 4 and expanding the photographed image data, the expanded image data is stored in the frame memory 3.
5 and displayed on the LCD 6.

Further, when the electronic camera 1 is started, the DSP 33 adjusts the exposure time (exposure value) while adjusting the exposure time (exposure value) until the exposure level of the CCD 20 becomes an appropriate value.
0 is repeatedly operated. At this time, the DSP 33 first operates the photometric circuit 51,
According to the light receiving level detected by the photometric element 16,
The initial value of the exposure time of the CCD 20 may be calculated. By doing so, the exposure time of the CCD 20 can be adjusted in a short time.

In addition, the DSP 33 stores the memory card 24
, And the timing of data input / output in the storage of the decompressed image data in the buffer memory 36 and the like.

The buffer memory 36 stores the memory card 24
Speed of data input / output to / from CPU 39 and DSP
It is used to alleviate the difference in processing speed in, for example, 33.

The microphone 8 inputs voice information (collects voice) and supplies the voice information to the A / D and D / A conversion circuit 42.

The A / D and D / A conversion circuit 42 converts an analog signal corresponding to the sound detected by the microphone 8 into a digital signal, and converts the digital signal into a digital signal.
The audio data supplied from the CPU 39 is supplied to the PU 39, and the audio data supplied from the CPU 39 is converted into an analog signal. The analog audio signal is output to the speaker 5.

The photometric element 16 measures the light quantity of the object and its surroundings, and outputs the measurement result to the photometric circuit 51. The photometric circuit 51 performs predetermined processing on an analog signal as a photometric result supplied from the photometric element 16, converts the analog signal into a digital signal, and outputs the digital signal to the CPU 39.

The colorimetric element 17 measures the color temperature of the object and its surroundings, and outputs the measurement result to the colorimetric circuit 52. The colorimetric circuit 52 includes the colorimetric element 17.
After a predetermined process is performed on an analog signal that is a colorimetric result supplied from the device, the analog signal is converted into a digital signal, and the digital signal is output to the CPU 39.

The timer 45 has a built-in clock circuit and outputs data corresponding to the current time to the CPU 39.

The aperture driving circuit 53 sets the aperture diameter of the aperture 54 to a predetermined value. The aperture 54 is
It is arranged between the photographing lens 3 and the CCD 20, and changes the aperture of light incident on the CCD 20 from the photographing lens 3.

In response to a signal from the LCD switch 25, the CPU 39 stops the operation of the photometric circuit 51 and the colorimetric circuit 52 when the LCD cover 14 is open, and stops the operation when the LCD cover 14 is closed. Is
The photometric circuit 51 and the colorimetric circuit 52 are operated, and C is held until the release switch 10 is half-pressed.
The operation of the CD 20 (for example, an electronic shutter operation) is stopped.

When the operation of the CCD 20 is stopped, the CPU 39 controls the photometric circuit 51 and the colorimetric circuit 52 so as to receive the photometric result of the photometric element 16 and the colorimetric result of the colorimetric element 17. It has been done.

Then, the CPU 39 calculates a white balance adjustment value corresponding to the color temperature supplied from the colorimetric circuit 52 with reference to a predetermined table, and supplies the white balance adjustment value to the image processing section 31. It has been made like that.

That is, when the LCD cover 14 is closed, the operation of the CCD 20 is stopped because the LCD 6 is not used as an electronic viewfinder. Since the CCD 20 consumes a lot of power, stopping the operation of the CCD 20 in this way can save the power of the battery 21.

When the LCD cover 14 is closed, the CPU 39 operates until the release switch 10 is operated (until the release switch 10 is half-pressed).
The image processing unit 31 is controlled so that the image processing unit 31 does not perform various processes.

Further, the CPU 39 controls the LCD cover 14
Is closed, until the release switch 10 is operated (until the release switch 10 is half-pressed) so that the aperture driving circuit 53 does not perform operations such as changing the aperture diameter of the aperture 54. The circuit 53 is controlled.

The CPU 39 is provided with a flash drive circuit 3
7 is controlled so that the strobe 4 emits light appropriately, and the red-eye reduction LED drive circuit 38 is controlled to
Before the strobe 4 emits light, the red-eye reduction LED 15 emits light as appropriate.

Note that the CPU 39 can prevent the strobe 4 from emitting light when the LCD cover 14 is open (ie, when the electronic viewfinder is used). By doing this,
In the state of the image displayed on the electronic viewfinder,
The subject can be photographed.

The CPU 39 records information on the date and time of shooting as header information of the image data in the shot image recording area of the memory card 24 in accordance with the date and time data supplied from the timer 45. (That is, the photographed image data recorded in the photographed image recording area of the memory card 24 is accompanied by data of the photographing date and time).

After compressing the digitized audio information, the CPU 39 temporarily stores the digitized and compressed audio data in the buffer memory 36.
Recording is performed in a predetermined area (audio recording area) of the memory card 24. At this time, in the audio recording area of the memory card 24, data of the recording date and time is recorded as header information of the audio data.

The CPU 39 controls the lens driving circuit 30 to move the photographing lens 3 to perform an autofocus operation, and also controls the aperture driving circuit 53 to be disposed between the photographing lens 3 and the CCD 20. Diaphragm 54
The opening diameter is changed.

Further, the CPU 39 controls the display circuit 40 in the finder to display the settings in various operations on the display element 26 in the finder.

The CPU 39 has an interface (I / F)
48, predetermined data is exchanged with a predetermined external device (not shown).

The CPU 39 receives a signal from the operation key 7 and performs appropriate processing.

Pen operated by user (pen-type indicating member)
When a predetermined position of the touch tablet 6A is pressed by 41, the CPU 39 reads the XY coordinates of the pressed position of the touch tablet 6A, and stores the coordinate data (memo information to be described later) in the buffer memory 36. It is made to let. Further, the CPU 39 records the memo information accumulated in the buffer memory 36 in the memo information recording area of the memory card 24 together with the header information of the memo information input date and time.

Next, various operations of the electronic camera 1 according to the present embodiment will be described. First, the operation of the electronic viewfinder on the LCD 6 of the present apparatus will be described.

When the user half-presses the release switch 10, the DSP 33 determines whether or not the LCD cover 14 is open based on the value of the signal supplied from the CPU 39 corresponding to the state of the LCD switch 25. L
If it is determined that the CD cover 14 is closed, the electronic viewfinder operation is not performed. In this case, DSP33
Stops the processing until the release switch 10 is operated.

When the LCD cover 14 is closed, the electronic viewfinder operation is not performed.
39 stops the operation of the CCD 20, the image processing unit 31, and the aperture driving circuit 53. And the CPU 39
Operates the photometric circuit 51 and the colorimetric circuit 52 instead of stopping the CCD 20, and supplies the measurement results to the image processing unit 31. The image processing unit 31 uses the values of the measurement results when performing white balance control and luminance value control.

When the release switch 10 is operated, the CPU 39 controls the CCD 20 and the aperture driving circuit 5.
3 is performed.

On the other hand, when the LCD cover 14 is open, the CCD 20 performs an electronic shutter operation at a predetermined exposure time for a predetermined exposure time, and photoelectrically converts the light image of the object condensed by the photographing lens 3. Then, the image signal obtained by the operation is output to the image processing unit 31.

The image processing section 31 performs white balance control and luminance value control, performs predetermined processing on the image signal, and outputs the image signal to the A / D conversion circuit 32. When the CCD 20 is operating, the image processing unit 31 uses the adjustment values calculated by the CPU 39 using the output of the CCD 20 and used for the white balance control and the control of the luminance value.

The A / D conversion circuit 32 converts the image signal (analog signal) into image data which is a digital signal, and outputs the image data to the DSP 33.

The DSP 33 outputs the image data to the frame memory 35, and causes the LCD 6 to display an image corresponding to the image data.

As described above, in the electronic camera 1, L
When the CD cover 14 is open, at a predetermined time interval,
The CCD 20 operates the electronic shutter.
The electronic viewfinder operation is performed by converting the signal output from 0 into image data, outputting the image data to the frame memory 35, and displaying the image of the subject on the LCD 6 constantly.

As described above, when the LCD cover 14 is closed, the electronic viewfinder operation is not performed, and the operations of the CCD 20, the image processing unit 31, and the aperture driving circuit 53 are stopped, and the power consumption is reduced. Is saving.

Next, photographing of a subject by the present apparatus will be described.

First, the case where the continuous shooting mode changeover switch 13 provided on the surface Y1 is switched to the S mode (a mode in which only one frame is shot) will be described. First, the power switch 11 shown in FIG.
Is switched on, and the power of the electronic camera 1 is turned on. When the subject is confirmed in the viewfinder 2 and the release switch 10 provided on the surface Y1 is pressed, the subject photographing process is started.

When the LCD cover 14 is closed, when the release switch 10 is half-pressed, the CPU 39 restarts the operations of the CCD 20, the image processing section 31, and the aperture driving circuit 53. When the release switch 10 is fully pressed, the subject photographing process is started.

A light image of a subject observed through the finder 2 is condensed by the photographing lens 3 and forms an image on the CCD 20 having a plurality of pixels. The optical image of the subject formed on the CCD 20 is photoelectrically converted into an image signal by each pixel, and is sampled by the image processing unit 31. The image signal sampled by the image processing unit 31 is supplied to an A / D conversion circuit 32, where it is digitized and output to a DSP 33.

The DSP 33 temporarily outputs the image data to the buffer memory 36, reads the image data from the buffer memory 36, and performs discrete cosine transformation.
JPEG combining quantization and Huffman coding
(Joint Photographic Experts Group), and the compressed image is recorded in the captured image recording area of the memory card 24. At this time, in the photographed image recording area of the memory card 24, data of the photographed date and time is recorded as header information of the photographed image data.

When the continuous shooting mode changeover switch 13 is switched to the S mode, only one frame is shot. Even if the release switch 10 is continuously pressed, the subsequent shooting is not performed. I can't. When the release switch 10 is continuously pressed, the taken image is displayed on the LCD 6 when the LCD cover 14 is open.

Second, a continuous shooting mode changeover switch 13
Is switched to the L mode (a mode in which 8 frames are continuously shot in one second). When the power of the electronic camera 1 is turned on by switching the power switch 11 to the side where “ON” is printed, and the release switch 10 provided on the surface Y1 is pressed, the subject photographing process is started.

When the LCD cover 14 is closed and the release switch 10 is half-pressed, the CPU 39 restarts the operations of the CCD 20, the image processing section 31, and the aperture driving circuit 53, When the release switch 10 is fully pressed, the subject photographing process is started.

The light image of the subject observed by the finder 2 is condensed by the photographing lens 3 and forms an image on the CCD 20 having a plurality of pixels. The optical image of the subject formed on the CCD 20 is photoelectrically converted into an image signal at each pixel, and is sampled by the image processing unit 31 at a rate of eight times per second. At this time, the image processing unit 31
Of the image electric signals of all the pixels are thinned out.

That is, the image processing section 31 divides the pixels of the CCD 20 arranged in a matrix into regions each having 2 × 2 pixels (four pixels) as shown in FIG. From one area, an image signal of one pixel arranged at a predetermined position is sampled, and the remaining three pixels are thinned out.

For example, at the time of the first sampling (first frame), the upper left pixel a of each area is sampled, and the other pixels b, c and d are thinned out. At the time of the second sampling (second frame), the pixel b at the upper right of each area is sampled, and the other pixels a,
c and d are thinned out. Hereinafter, at the time of the third and fourth samplings, the lower left pixel c and the lower right pixel d
Are sampled and other pixels are decimated. That is, each pixel is sampled every four frames.

The image signal sampled by the image processing section 31 (the image signal of a quarter of all the pixels of the CCD 20) is supplied to an A / D conversion circuit 32, where it is digitized and output to a DSP 33. Is done.

The DSP 33 temporarily outputs the digitized image signal to the buffer memory 36, reads the image signal, compresses the image signal in accordance with the JPEG method, and converts the digitized and compressed photographed image data into the memory card 24. Is recorded in the captured image recording area. At this time, in the photographed image recording area of the memory card 24, data of the photographed date and time is recorded as header information of the photographed image data.

Third, the continuous shooting mode changeover switch 13
Is switched to the H mode (a mode in which 30 frames are continuously shot in one second). When the power of the electronic camera 1 is turned on by switching the power switch 11 to the side where “ON” is printed, and the release switch 10 provided on the surface Y1 is pressed, the subject photographing process is started.

When the LCD cover 14 is closed, the CPU 39 restarts the operations of the CCD 20, the image processing section 31, and the aperture driving circuit 53 when the release switch 10 is half-pressed. When the release switch 10 is fully pressed, the subject photographing process is started.

A light image of a subject observed through the finder 2 is condensed by the photographing lens 3 and forms an image on the CCD 20. An optical image of a subject formed on the CCD 20 having a plurality of pixels is photoelectrically converted into an image signal at each pixel, and is sampled by the image processing unit 31 at a rate of 30 times per second. At this time, the image processing unit 31
8/9 pixels out of the image electrical signals of all the pixels are thinned out.

That is, the image processing section 31 divides the pixels of the CCD 20 arranged in a matrix into regions each having 3 × 3 pixels as shown in FIG. Is sampled at a rate of 30 times per second for the image electric signal of one pixel arranged at the position of
The remaining 8 pixels are thinned out.

For example, at the time of the first sampling (first frame), the upper left pixel a of each area is sampled, and the other pixels b to i are thinned out. At the time of the second sampling (second frame), the pixel b disposed on the right side of the pixel a is sampled, and the other pixels a, c to i are thinned out. Hereinafter, at the time of the third and subsequent samplings, the pixels c, d,.
Are sampled and other pixels are decimated. That is, each pixel is sampled every nine frames.

An image signal sampled by the image processing section 31 (an image signal of one-ninth of all the pixels of the CCD 20) is supplied to an A / D conversion circuit 32, where it is digitized and output to a DSP 33. Is done.

The DSP 33 once outputs the digitized image signal to the buffer memory 36, reads the image signal, compresses the image signal according to the JPEG method, and converts the digitized and compressed photographed image data into the date and time of photographing. The header information is recorded in the captured image recording area of the memory card 24 along with the header information.

It is to be noted that the strobe 4 can be operated to irradiate the subject with light as required. Where L
When the CD cover 14 is open, that is, when the LCD 6 is performing the electronic viewfinder operation, the CPU 39
Can control the strobe 4 not to emit light.

Next, an operation when two-dimensional information (pen input information) is input from the touch tablet 6A will be described.

When the touch tablet 6A is pressed by the pen tip of the pen 41, the XY coordinates of the touched position are displayed on the CPU.
39 is input. The XY coordinates are stored in the buffer memory 36. In addition, data can be written into the frame memory 35 at locations corresponding to the XY coordinates, and a memo corresponding to the contact of the pen 41 can be displayed on the XY coordinates on the LCD 6.

As described above, the touch tablet 6A
Is composed of a transparent member,
The point displayed on the LCD 6 (the point at the position pressed by the pen tip of the pen 41) can be observed, as if the LCD
6 can be felt as if a pen input was made directly. When the pen 41 is moved on the touch tablet 6 </ b> A, a line accompanying the movement of the pen 41 is displayed on the LCD 6. Further, when the pen 41 is intermittently moved on the touch tablet 6A, a broken line accompanying the movement of the pen 41 is displayed on the LCD 6. As described above, the user inputs memo information such as desired characters and graphics into the touch tablet 6A (LCD 6).

When memo information is input by the pen 41 when a photographed image is displayed on the LCD 6, the memo information is synthesized with the photographed image information in the frame memory 35, and is simultaneously displayed on the LCD 6. Is displayed.

By operating the predetermined palette 100, the user can select the color of the memo displayed on the LCD 6 from colors such as black, white, red, and blue.

When the execution key 7B of the operation key 7 is pressed after the memo information is input to the touch tablet 6A by the pen 41, the memo information stored in the buffer memory 36 is stored in the memory card 24 together with the header information of the input date and time. And recorded in the memo information recording area of the memory card 24.

Note that the memo information recorded on the memory card 24 is information that has been subjected to compression processing. Since the memo information input to the touch tablet 6A includes a lot of information having a high spatial frequency component, if the compression processing is performed by the JPEG method used for compressing the photographed image, the compression efficiency is low and the information amount is not reduced. The time required for compression and decompression increases. Furthermore, since the compression by the JPEG method is lossy compression, it is not suitable for compressing memo information having a small amount of information (decompression and LCD 6
If displayed above, gathers and bleeding due to missing information will be noticeable).

Therefore, in the present embodiment, memo information is compressed by a run-length method used in a facsimile or the like. The run-length method scans the memo screen in the horizontal direction and continues the length of information (points) of each color such as black, white, red, and blue, and the length of continuous non-information (portion without pen input). This is a method for compressing memo information by encoding the memo information.

By using this run length method,
The memo information can be compressed to the minimum, and even when the compressed memo information is decompressed, the loss of the information can be suppressed. Note that the memo information may not be compressed when the information amount is relatively small.

Further, as described above, when a photographed image is displayed on the LCD 6, when the pen input is performed, the photographed image data and the memo information of the pen input are combined in the frame memory 35, and the photographed image and the memo The composite image of LC
Displayed on D6. On the other hand, in the memory card 24, the photographed image data is recorded in the photographed image recording area, and the memo information is recorded in the memo information recording area. As described above, since the two pieces of information are recorded in different areas, the user can delete one of the images (for example, the memo) from the composite image of the captured image and the memo,
Further, each image information can be compressed by an individual compression method.

When data is recorded in the audio recording area, photographed image recording area, or memo information recording area of the memory card 24, a list thereof can be displayed on the LCD 6, as shown in FIG.

On the display screen of the LCD 6 shown in FIG. 9, the date when the information was recorded (recording date) (in this case, November 1, 1996) is displayed at the upper end of the screen. The number and recording time of the information recorded on the recording date are displayed on the left side of the screen.

On the right side of the recording time, a thumbnail image is displayed. This thumbnail image is displayed on the memory card 2
4 is created by thinning (reducing) the bitmap data of each image data of the photographed image data recorded in No. 4. The information with this display is information including captured image information. That is, “10:16” and “10: 2”
The information recorded (input) at "one minute" includes photographed image information, and the information recorded at other times does not include image information.

A memo icon “□” indicates that a predetermined memo is recorded as line drawing information.

An audio icon (note) is displayed on the right side of the thumbnail image display area, and a recording time (unit: second) is displayed on the right side of the icon (when no audio information is input). , These are not displayed).

As shown in FIG. 9, the user places a desired voice icon in the list displayed on the LCD 6 with the pen 4.
2 to select and specify the information to be reproduced by pressing with the pen tip of FIG.
Is pressed by the pen tip of the pen 41 to reproduce the selected information.

For example, when the displayed voice icon of “10:16” shown in FIG. 9 is pressed by the pen 41, the CPU 39 causes the selected recording date and time (10:16).
Minute) from the memory card 24, and after expanding the sound data, the A / D and D /
It is supplied to the A conversion circuit 42. The A / D and D / A conversion circuit 42 converts the supplied audio data into an analog signal,
Playback is performed via the speaker 5.

When reproducing the photographed image data recorded on the memory card 24, the user presses the desired thumbnail image with the pen tip of the pen 41 to select the information, and presses the execution key 7B to select the selected information. To play.

That is, the CPU 39 instructs the DSP 33 to read out the photographed image data corresponding to the photographing date and time of the selected thumbnail image from the memory card 24.
The DSP 33 expands the photographed image data (compressed photographed image data) read from the memory card 24, stores the photographed image data in the frame memory 35 as bitmap data, and causes the LCD 6 to display it.

The image photographed in the S mode is displayed on the LCD 6 as a still image. This still image is CC
It goes without saying that the image signals of all the pixels of D20 are reproduced.

An image photographed in the L mode is continuously displayed on the LCD 6 at a rate of 8 frames per second. At this time, the number of pixels displayed in each frame is CCD2
0 is a quarter of the total number of pixels.

Normally, the human eye is sensitive to the deterioration of the resolution of a still image, and thus thinning out the pixels of the still image is perceived by the user as deterioration of the image quality. However, when the continuous shooting speed at the time of shooting is increased, eight frames are captured per second in the L mode, and when this image is reproduced at a speed of eight frames per second, the number of pixels of each frame is equal to the pixel number of the CCD 20. Although this is a quarter of the number, since the human eye observes eight frames per second, the amount of information perceived by the human eye per second is twice as large as that of a still image.

That is, one of the images shot in the S mode
Assuming that the number of pixels of a frame is 1, the number of pixels of one frame of an image captured in the L mode is １ ／. When an image (still image) captured in the S mode is displayed on the LCD 6, the amount of information perceived by the human eye in one second is 1 (= (number of pixels 1) × (number of frames 1)). On the other hand, when an image captured in the L mode is displayed on the LCD 6, the amount of information perceived by the human eye in one second is 2 (= (number of pixels ４) × (number of frames 8)) (ie, The human eye receives twice as much information as a still image.) Therefore, even if the number of pixels in one frame is reduced to ４, the user can observe the reproduced image at the time of reproduction without much concern about deterioration in image quality.

Furthermore, in the present embodiment, different pixels are sampled for each frame and the sampled pixels are displayed on the LCD 6, so that an afterimage effect occurs to human eyes, and 4 pixels per frame. Even if three pixels are thinned out, the user can observe the image photographed in the L mode displayed on the LCD 6 without much concern about the deterioration of the image quality.

An image shot in the H mode is an LC mode.
The images are continuously displayed on D6 at a rate of 30 frames per second. At this time, the number of pixels displayed in each frame is C
Although the number of pixels of the CD 20 is one-ninth of the total number of pixels, for the same reason as in the case of the L mode, the user can copy an image captured in the H mode displayed on the LCD 6 without much concern about deterioration in image quality. Can be observed.

In the present embodiment, when imaging an object in the L mode and the H mode, the image processing unit 31
CCD to the extent that you do not mind degradation of image quality during playback
Since 20 pixels are thinned out, the load on the DSP 33 can be reduced, and the DSP 33 can be operated at low speed and with low power. In addition, this makes it possible to reduce the cost and power consumption of the device.

In the present embodiment, as described above, it is possible to record not only an optical image of a subject but also memo (line drawing) information. In the present embodiment, a mode for inputting such information (shooting mode and memo input mode) is provided, and these modes are appropriately selected according to the operation of the user, and the input of information is smoothly performed. It has been made.

Next, by holding the electronic camera 1 by hand and moving or rotating the electronic camera 1,
A method of scrolling an image displayed on the screen of the electronic camera 1 and moving a cursor will be described.

Here, a rotation axis for rotating the electronic camera 1 is defined as shown in FIG. That is, a straight line passing from the center of the electronic camera 1 to the center of the plane Z is defined as the Y axis, and a straight line passing from the center of the electronic camera 1 to the center of the plane Y2 is defined as the X axis. Then, it is assumed that the user rotates the electronic camera 1 around these two axes.

FIG. 11 is a flowchart showing a processing procedure for detecting the movement and rotation of the electronic camera 1 based on the image taken by the CCD 20 of FIG. First, in step S1, an image is captured by the CCD 20. That is, the CPU 39 controls the image processing unit 31 and samples the image signal photoelectrically converted by the CCD 20 at a predetermined timing. The sampled image signal is converted into digital image data in the A / D conversion circuit 32 and is temporarily supplied to the buffer memory 36 by the DSP 33. And DSP33
, The image data stored in the buffer memory 36 is read out, subjected to compression processing, and then supplied to the memory card 24 and stored.

Then, the process proceeds to a step S2, wherein the CPU 39 determines whether or not the contrast of the image taken in the step S1 is sufficient. That is, it is determined whether or not a portion having the highest contrast can be detected from the captured image. For example,
If the background is completely dark, an image with contrast cannot be captured. If it is determined that the highest contrast portion of the captured image can be detected,
Proceed to step S5.

On the other hand, if it is determined that the portion having the highest contrast cannot be detected, the process proceeds to step S3, where the CPU 39 controls the red-eye reduction LED drive circuit 38 to turn on the red-eye reduction LED 15. As a result, light is emitted to the object on the surface X1 side of the electronic camera 1. Next, in step S4, an image is captured by the CCD 20 again under the control of the CPU 39 in the same manner as described above. At this time, the red-eye reduction L
Since the ED 15 is turned on, the captured image has a contrast, and a portion having the highest contrast can be detected. When the image capturing by the CCD 20 is completed, the CPU 39 starts the red-eye reduction LED driving circuit 3.
8 to turn off the red-eye reduction LED 15.

In step S5, the CPU 39 detects a portion having the highest contrast in the image taken in the memory card 24. In step S6, the coordinate value P ₁ (P _x , P _x , P _y )
For example, it is stored in the buffer memory 36.

Next, in step S7, it is determined whether or not there is a previously stored coordinate value P _{0 of the} part having the highest contrast. The previously stored coordinate value P ₀
If it is determined that there is no data, the process returns to step S1, and the processes after step S1 are executed again. The cycle at which steps S1 to S7 are executed can be, for example, 30 Hertz (Hz) in accordance with the cycle at which the image is captured. Accordingly, the red-eye reduction LED 15 blinks intermittently at a cycle of 30 Hertz (Hz).

When the background is completely dark, the red-eye reduction LE
Instead of D15, another illuminating device (not shown) may be used to illuminate the background with illumination light to enable the CCD 20 to capture a contrast image.

On the other hand, if it is determined that there is the previously stored coordinate value P ₀ , the process proceeds to step S8, and the difference between the previously stored coordinate value P ₀ and the currently detected coordinate value P ₁ is obtained. Δ
P (ΔP _x , ΔP _y ) is obtained.

Then, the process proceeds to a step S9, wherein the difference ΔP (ΔP
_x , ΔP _y ) is scrolled by a predetermined number of pixels in the reproduction image displayed on the screen.

For example, the number of pixels in the horizontal direction of the CCD 20 is 640, the number of pixels in the horizontal direction of the LCD 6 is 280,
LCD 6 covers the entire shooting range that can be shot by CCD 20
Is configured to be displayed on Then, for example, the electronic camera 1 is swung to the right and CC
The subject image detected by D20 is shifted to the left by CCD20.
When it is detected that the pixel has moved by 64 pixels, which is 1/10 of the number of pixels in the horizontal direction, the image on the LCD 6 is also shifted leftward by 28 pixels, which is 1/10 of the number of pixels in the horizontal direction. Scroll. When the electronic camera 1 is shaken in the vertical direction (vertical direction), the screen displayed on the LCD 6 is scrolled in the vertical direction basically in the same manner as when the electronic camera 1 is shaken in the horizontal direction.

Thus, the electronic camera 1 can be swung up and down and left and right at the time of reproduction in the same manner as when the electronic camera 1 is swung up and down and left and right while monitoring the shooting screen with the LCD 6 during shooting. As if,
The playback screen can be scrolled as if the shooting screen were moving. Of course, with this setting as the default, the relationship between the movement amount of the image captured by the CCD 20 and the scroll amount of the image displayed on the LCD 6 may be made variable so that the user can set this.

For example, as shown in FIG.
The user sets the electronic camera 1 around the Y axis in a state where a predetermined area of an image of pixels × 480 pixels is a display area A and the image of the display area A is reproduced and displayed on the screen of the LCD 6 (zoomed state). When the display area A is rotated, the display area A virtually moves right and left on the image, and accordingly, the LCD 6
The image displayed on scrolls left and right. Similarly, when the user rotates the electronic camera 1 around the X axis, the display area A virtually moves up and down on the image, and accordingly, the image displayed on the LCD 6 scrolls up and down.

Further, by giving the electronic camera 1 a rotation such as a combination of the rotation around the X axis and the rotation around the Y axis, the display area A can be virtually shifted in an arbitrary direction on the image. It can be moved by the number of pixels. Therefore, LCD
6 can be scrolled in any direction.

As shown in FIG. 12A, the display area A is set in the recorded image, and the image in the display area A is displayed on the screen of the LCD 6 as shown in FIG. When the user operates the zoom switch 60 to instruct zoom-up of the image displayed on the LCD 6, for example, FIG.
As shown in (B), a display area B smaller than the display area A
Is virtually set on the image. Then, an image in the display area B is displayed on the entire screen of the LCD 6. That is, the image is further enlarged and displayed.

As shown in FIG. 12B, even when the image is further enlarged, the display area B is virtually changed by rotating the electronic camera 1 as in the case of FIG. 12A. It can be moved in any direction on the recorded image. Along with this, the enlarged image displayed on the LCD 6 scrolls in an arbitrary direction. Such enlargement of the reproduced image can be performed by operating the zoom switch 60 shown in FIG.

As shown in FIG. 13A, on the menu screen on which predetermined selection items and the cursor are displayed, the cursor is moved by moving or rotating the electronic camera 1 to select the predetermined item. You can make it. In this example, each item "RECORDING",
"PLAY BACK", "SLIDE SHOW",
"SET UP" is lined up and down, and the electronic camera 1
The cursor moves up and down due to the movement or rotation of. For example, by rotating the electronic camera 1 about the X axis and moving the cursor to the item “SET UP”, by selecting the execution key 7B or pressing the release switch 10, “SET UP” Can be selected. As a result, the screen of the LCD 6 is displayed as shown in FIG.
A setup item as shown in FIG.

In this example, the setup item is displayed over two pages. By rotating the electronic camera 1 in the X-axis direction, the first page and the second page can be alternately displayed. it can. The user displays a page having a desired setup item, uses the pen 41 or the like, or moves a cursor (not shown) in accordance with the rotation of the camera, and then presses the release switch 10 or selects the effective key 7B. By selecting it.

Next, in step S10 of FIG.
It is determined whether or not execution of another process has been instructed by the user. If it is determined that execution of another process has not been instructed, the process returns to step S1, and the processes after step S1 are repeatedly executed. On the other hand, when it is determined that execution of another process has been instructed, the process proceeds to step S11, executes another process, and ends the process.

As described above, by moving or rotating the electronic camera 1, it is possible to easily scroll the image displayed on the screen and move the cursor.
In particular, the operability of the portable device can be improved.

FIG. 14 is a block diagram showing a configuration example of another embodiment of an electronic camera to which the present invention is applied. In this embodiment, a piezoelectric gyro 61 and a piezoelectric gyro drive circuit 62 are provided in the embodiment shown in FIG. Other configurations and operations are the same as those described above with reference to FIG. 6, and thus description thereof is omitted here.

The piezoelectric gyro 61 detects angular velocity due to rotation with respect to two axes and outputs corresponding signals. The piezoelectric gyro drive circuit 62 supplies power to the piezoelectric gyro 61 and supplies a signal from the piezoelectric gyro 61 to the CPU 39.

Next, referring to the flow chart shown in FIG. 15, the rotation of the electronic camera 1 is detected by using the piezoelectric gyro 61, and the image displayed on the screen is scrolled or the cursor is moved. The processing procedure will be described.

First, in step S21, a signal corresponding to the angular velocity around the X axis detected by the piezoelectric gyro 61 is sent to the CPU 3 via the piezoelectric gyro drive circuit 62.
9. Next, in step S22, a signal corresponding to the angular velocity around the Y axis detected by the piezoelectric gyro 61 is supplied to the CPU 39 via the piezoelectric gyro 62. Next, the process proceeds to step S23, and step S2
1. The scroll direction and the scroll amount of the image according to the angular velocity around the X axis and the angular velocity around the Y axis detected in S22 are calculated.

Here, the relationship between the angular velocity and the scroll amount is as follows.
It can be set as follows: That is, the horizontal shooting angle θ of the shooting lens 3 and the horizontal pixels of the LCD 6 are 280 pixels, and the entire shooting range is displayed on the LCD 6. Then, for example, when it is detected from the angular velocity that the electronic camera 1 has rotated around the X axis by θ / 10, the image displayed on the LCD 6 is
The LCD 6 is moved up and down by 28 pixels which is 1/10 of the number of pixels in the horizontal direction. In addition, the electronic camera 1 is set to Y
Even when the rotation around the axis is detected from the angular velocity,
LCD is basically the same as when it is rotated around the X axis.
The image displayed in 6 is moved in the left-right direction.

Thus, the electronic camera 1 can be swung up and down and left and right at the time of reproduction in the same manner as when the electronic camera 1 is swung up and down and left and right while monitoring the shot image with the LCD 6 at the time of shooting. As if,
The reproduced image can be scrolled as if the captured image were moving. Of course, with this setting as a default, the relationship between the amount of rotation of the electronic camera 1 and the amount of scrolling of the image displayed on the LCD 6 may be made variable so that the user can set this.

In step S24, step S2
According to the scroll direction and the scroll amount calculated in step 3, the image displayed on the screen of the LCD 6 is scrolled or the cursor is moved in the same manner as described above with reference to FIGS.

As described above, the rotation of the electronic camera 1 is detected by using the piezoelectric gyro 61, and the image displayed on the screen of the LCD 6 is scrolled in response to the rotation of the electronic camera 1 by the user. Or move the cursor.

FIG. 16 shows an electronic camera 1 to which the present invention is applied.
FIG. 15 is a block diagram showing a configuration example of still another embodiment of FIG. In this embodiment, an electronic compass 71 and an electronic compass driving circuit 72 are added to the embodiment shown in FIG.
Is provided. Other configurations and operations
Since this is the same as the case described above with reference to FIG. 6, the description is omitted here.

The electronic compass 71 is composed of a magnetic element such as a Hall element, and detects the azimuth by detecting the terrestrial magnetism. The electronic compass drive circuit 72 supplies power to the electronic compass 71 and supplies a signal corresponding to the azimuth detected by the electronic compass 71 to the CPU 39.

Next, with reference to the flowchart shown in FIG. 17, when the rotation of the electronic camera 1 is detected using the electronic compass 71, the image displayed on the screen is scrolled or the cursor is moved. The processing procedure will be described.

First, in step S31, the direction of the North Pole is detected by the electronic compass 71. A signal corresponding to the detected direction of the North Pole is supplied to the CPU 39 by the electronic compass drive circuit 72. Next, in step S32, the CPU 39 calculates a difference D1x between the direction of the North Pole and the X-axis direction with respect to the electronic camera 1, and stores the difference _D1x in the buffer memory 36. Step S
In 33, the direction of the North Pole is
The difference D _1y from the Y-axis direction with respect to the electronic camera 1 is calculated and stored in the buffer memory 36.

Next, in step S34, it is determined whether or not there are differences D _0x and D _0y between the previously stored north pole direction and the X-axis and Y-axis directions of the electronic camera 1. If it is determined that there is no difference D _0x or D _0y stored last time, the process returns to step S31, and the processes after step S31 are repeatedly executed. On the other hand, if it is determined that the differences D _0x and D _0y stored last time are present, the process proceeds to step S35.
The CPU 39 calculates the differences ΔD _x and ΔD _y between the previous D _0x and D _0y and the _currently detected D _1x and D _1y .

Next, in step S36, the CPU 3
9 shows the image displayed on the screen of the LCD 6 as the difference ΔD _x ,
Scroll in the direction corresponding to ΔD _y by the number of corresponding pixels. Alternatively, the cursor displayed on the screen of the LCD 6 is moved in the direction corresponding to the difference ΔD _x , ΔD _y by the number of corresponding pixels.

When the photographing angle of the photographing lens 3 in the horizontal direction is θ,
It is assumed that the horizontal pixels of the LCD 6 are 280 pixels, and that the entire photographing range is displayed on the LCD 6. When the CPU 39 detects that the electronic camera 1 has rotated about the Y-axis by θ / 10, for example, based on the displacement of the azimuth detected by the electronic compass,
The image on D6 is also moved in the horizontal direction by 28 pixels, which is 1/10 of the number of pixels in the horizontal direction. X of electronic camera 1
When the electronic camera 1 is rotated about the axis, the image displayed on the LCD 6 is moved up and down basically in the same manner as when the electronic camera 1 is rotated about the Y axis.

Thus, the electronic camera 1 can be swung up, down, left, and right at the time of reproduction in the same manner as when the electronic camera 1 is swung up, down, left, and right while monitoring the shot image with the LCD 6 during shooting. As if,
The reproduced image can be scrolled as if the captured image were moving. Of course, with this setting as a default, the relationship between the amount of rotation of the electronic camera 1 and the amount of scrolling of the image displayed on the LCD 6 may be made variable so that the user can set this.

In step S37, it is determined whether or not execution of another process has been instructed by the user.
If it is determined that execution of another process has not been instructed,
Returning to step S1, the processing after step S1 is repeatedly executed. On the other hand, when it is determined that the execution of another process is instructed by the user, the process proceeds to step S38,
Another process is executed, and the process ends.

As described above, the rotation of the electronic camera 1 is detected by using the electronic compass 71, and the image displayed on the screen of the LCD 6 is scrolled in response to the rotation of the electronic camera 1 by the user. Or move the cursor.

Further, as shown in FIG. 12, the method proposed by the applicant of the present invention in Japanese Patent Application No. 8-153783, in which the magnification of a reproduced image is manipulated by a zooming member of a zoom lens, and the method described in the present application. You may combine with invention. Thus, the electronic zoom at the time of reproduction can be performed by the same operation as the zooming operation by the photographing lens 3, and the scroll operation at the time of reproduction can be performed with the same feeling as at the time of shooting, thereby improving usability. be able to.

Next, referring to the flow chart shown in FIG. 18, the movement and rotation of the electronic camera 1 are detected based on the images chronologically captured by the CCD 20 to control another screen display. The method will be described.

First, in step S41, the CCD
20 to take in the image. That is, the CPU 3
Reference numeral 9 controls the image processing section 31 to sample the image signal photoelectrically converted by the CCD 20 at a predetermined timing.
The sampled image signal is converted into digital image data in an A / D conversion circuit 32,
Is once supplied to the buffer memory 36. And
The image data stored in the buffer memory 36 is read out by the DSP 33, subjected to compression processing, and then supplied to the memory card 24 and stored.

Next, the process proceeds to a step S42, where the CPU 39
Thus, it is determined whether or not the contrast of the image captured in step S41 is sufficient. That is, it is determined whether a plurality of high-contrast portions can be detected from the captured image.
For example, when the background is completely dark, an image with contrast cannot be captured. If it is determined that a plurality of high-contrast portions of the captured image can be detected, the process proceeds to step S45.

On the other hand, if it is determined that a plurality of high contrast portions cannot be detected, step S4
Proceeding to 3, the CPU 39 controls the red-eye reduction LED drive circuit 38 to turn on the red-eye reduction LED 15. As a result, light is emitted to the object on the surface X1 side of the electronic camera 1. Next, in step S44, the CC 39 is again controlled by the CPU 39 in the same manner as described above.
An image is captured by D20. At this time, since the red-eye reduction LED 15 is lit, the captured image has a contrast, and a plurality of high contrast portions can be detected. When the image capturing by the CCD 20 is completed, the CPU 39 sets the red-eye reduction LED
The drive circuit 38 is controlled to turn off the red-eye reduction LED 15.

In step S45, the CPU 39 detects a plurality of high-contrast portions in the image taken in the memory card 24, and proceeds to step S46.
, The coordinate values P on the screen of those parts
_1n (P _xn , P _yn ) is stored in the buffer memory 36, for example. Here, n represents a number corresponding to a plurality of high contrast portions.

Next, in step S47, the coordinate values P _{0n of a} plurality of high contrast parts previously stored are stored.
It is determined whether or not there is. If it is determined that there is no previously stored coordinate value P _0n , the process returns to step S41,
The processes after step S41 are executed again. The cycle at which steps S41 to S47 are executed can be set to 30 Hertz (Hz), for example, in accordance with the cycle at which images are captured. Accordingly, the red-eye reduction LED 15 blinks intermittently at a cycle of 30 Hertz (Hz).

When the background is completely dark, the red-eye reduction LE
Instead of D15, another illuminating device (not shown) may be used to illuminate the background with illumination light to enable the CCD 20 to capture a contrast image.

On the other hand, if it is determined that there is the previously stored coordinate value P _0n , the process proceeds to step S48, and the difference between the previously stored coordinate value P _0n and the currently detected coordinate value P _1n is obtained. ΔP _n (ΔP _xn , ΔP _yn ) is obtained.

Next, the process proceeds to a step S49, wherein the CPU 39
Accordingly, based on the difference ΔP _n (ΔP _xn , ΔP _yn ), it is determined whether or not the electronic camera 1 has moved in a direction substantially parallel to the optical axis direction of the photographing lens 3 as shown in FIG. You. This determination is made based on a time-series change of a plurality of high contrast parts detected in step S45. For example, as shown in FIG.
When the plurality of high-contrast portions of the image captured by the electronic camera 1 move away from the vicinity of the center of the image or move toward the vicinity of the center of the image, the electronic camera 1 It is determined that the translation has been made in a direction substantially parallel to the axial direction.

When it is determined that the movement of the electronic camera 1 is a parallel movement in a direction substantially parallel to the optical axis direction, the process proceeds to step S53, and a zooming process is performed under the control of the CPU 39. For example, when the electronic camera 1 is translated in the direction of the vector M1 in FIG.
The image being displayed is enlarged and displayed on the screen of D6. On the other hand, when the electronic camera 1 is translated in the direction of the vector M2 in FIG. 19, the CPU 39 reduces and displays the image being displayed on the screen of the LCD 6.

On the other hand, if it is determined in step S49 that the movement of the electronic camera 1 is not a parallel movement in a direction substantially parallel to the optical axis direction of the lens 3, the process proceeds to step S50, in which the electronic camera 1 moves to FIG. As shown, it is determined whether the electronic camera 1 has been rotated by a predetermined angle around the Z axis passing through the center of the plane X2 from the center. This judgment is
This is performed based on a time-series change of a plurality of high contrast portions detected in step S45. For example, as shown in FIG. 21, when a plurality of high-contrast portions are moved so as to rotate by a predetermined angle around the center of the image, the electronic camera 1 moves by a predetermined angle around the Z axis. It is determined that it has rotated.

If it is determined that the electronic camera 1 has been rotated about the Z axis by a predetermined angle, the flow advances to step S54 to determine whether the rotation of the electronic camera 1 is clockwise. If it is determined that the rotation is clockwise, in step S55, the image displayed on the screen of the LCD 6 is rotated clockwise, for example, by 90 degrees. On the other hand, if it is determined in step S54 that the rotation of the electronic camera 1 is not clockwise, the process proceeds to step S56, and the image displayed on the screen of the LCD 6 is rotated counterclockwise by, for example, 90 degrees.

If it is determined in step S50 that the electronic camera 1 is not rotating around the Z axis, the flow advances to step S51 to determine whether the scroll inhibit switch has been pressed. Here, as the scroll prohibition switch, a dedicated switch may be newly provided, or the release switch 10 or the recording switch 12 may be substituted. In that case, during playback, release switch 1
When 0 or the recording switch 12 is pressed, these switches operate as scroll inhibition switches.

If it is determined that the scroll inhibit switch has been pressed, the CPU 39 does not scroll the image displayed on the screen of the LCD 6, so that the CPU 39 proceeds to step S4.
The process returns to 1 and the processes after step S41 are repeatedly executed. On the other hand, if it is determined that the scroll prohibition switch has not been pressed, the process proceeds to step S52.

In step S52, the difference ΔP _n (Δ
P _xn , ΔP _yn ) scrolls the reproduced image displayed on the screen by a predetermined number of pixels in a predetermined direction.
The detailed procedure of scrolling is the same as the case described above with reference to the flowchart of FIG. 11, and the description thereof is omitted here.

When the processing in step S53, step S55, step S56, or step S52 ends, the flow advances to step S57. In step S57, it is determined whether another process has been instructed. If it is determined that another process has not been instructed, step S4
The process returns to 1 and the processes after step S41 are repeatedly executed. On the other hand, if it is determined that another process has been instructed,
Proceeding to step S58, after other processing has been executed, the processing ends.

For example, as shown in FIG. 22, a display area C is virtually set at a position L1 in a recorded image.
When the electronic camera 1 is rotated in a predetermined direction around the Y axis in a state where the image in the display area C is displayed on the screen of the LCD 6, the display area C is virtually displayed in the recorded image. Moving. Then, for example, suppose that it finally moved to the position L2. As a result, an image in the display area C at the position L2 is displayed on the screen of the LCD 6.

In this state, if it is desired to virtually move the display area in the recorded image and display the image in the display area C at the position L3 on the screen of the LCD 6, the hand holding the electronic camera 1 must be further moved. It may be difficult to rotate in the above direction around the Y axis. In this case, the electronic camera 1 is rotated in the direction opposite to the above direction around the Y axis while pressing the scroll inhibition switch once. In the meantime, since the scroll inhibit switch is pressed, the image in the display area C at the position L2 on the recorded image is continuously displayed on the screen of the LCD 6.

Next, the pressing of the scroll inhibit switch is stopped, and the display area C is moved to the position L on the recorded image.
The electronic camera 1 is rotated in a predetermined direction around the Y axis so as to virtually move from 2 to the position L3. Thereby, the display area C moves to the position L3 on the recorded image, and the screen of the LCD 6 displays the display area C at the position L3.
The image inside is displayed. As described above, the display area C is moved to an arbitrary position on the recorded image by performing the operation of rotating the electronic camera 1 around the Y axis a plurality of times by using the scroll inhibition switch. Can be.

That is, the moving distance of the display area C on the recorded image corresponding to the angle at which the electronic camera 1 can be rotated by one operation around the Y axis is the size of the recorded image. Even when the display area C is smaller than the above, the display area C can be moved to an arbitrary position on the recorded image by repeating the rotation operation a predetermined number of times.

Here, the case where the electronic camera 1 is rotated about the Y axis has been described. However, the case where the electronic camera 1 is rotated about the X axis is basically the same as the above-described case. Can be moved up and down on the recorded image. The same applies to the case of a combination of rotation around the X axis and rotation around the Y axis. In that case, the display area C can be moved in an arbitrary direction on the recorded image.

As described above, by using the scroll inhibit switch, the electronic camera 1 can be rotated around the X axis or Y axis.
Since the operation of rotating around the axis or the operation of rotating them in combination can be performed in a plurality of times, regardless of the size of the recorded image, the rotation of the electronic camera 1 can be performed. Thereby, the display area C can be moved in any direction. That is, the image displayed on the screen of the LCD 6 can be scrolled in an arbitrary direction.

In the above embodiment, FIG.
A program that causes the CPU 39 to perform the processes shown in the flowcharts of FIGS. 15, 17, and 18 can be stored in the ROM 43, the memory card 24, or the like of the electronic camera 1. The program may be supplied to the user in a state stored in the ROM 43 or the memory card 24 in advance.
CD-RO so that it can be copied to
It may be supplied to the user in a state stored in M (compact disc-read only memory) or the like. In that case, the ROM 43 stores, for example, an electrically rewritable E
EPROM (electrically erasable and programmable)
read only memory) or the like.

In the above embodiment, the finder 2 is optical, but a liquid crystal finder using liquid crystal may be used.

In the above embodiment, the taking lens, the viewfinder, and the light emitting section are arranged in this order from the left when viewed from the front of the electronic camera. However, they may be arranged in order from the right. It is possible.

In the above embodiment, only one microphone is provided. However, it is also possible to provide two microphones on the left and right sides to record sound in stereo.

Further, in the above-described embodiment, various types of information are input using the pen-type pointing device. However, it is also possible to input using a finger.

The display screen displayed on the LCD 6 is merely an example, and the present invention is not limited to this. It is possible to use screens of various layouts.
Similarly, the type and layout of the operation keys are also examples,
It is not limited to this.

In the above embodiment, scrolling can be prohibited by pressing the scroll prohibition switch. Conversely, a scroll permission switch for permitting scrolling is provided, and the scroll permission switch is depressed. Only during this time, the image displayed on the screen of the LCD 6 scrolls according to the rotation of the electronic camera 1,
When the scroll permission switch is not pressed, the image can be prevented from scrolling even when the electronic camera 1 is rotated. In that case, the release switch 10 and the recording switch 12 can be used as a scroll permission switch.

Also, in the above embodiment, FIG.
In the zooming process described above with reference to the flowchart, a zooming prohibition switch for prohibiting the zooming process or a zooming enable switch for permitting the zooming process is provided, and the same operation as that of the scroll prohibiting switch or the scrolling enable switch is enabled. be able to. Also in this case, the release switch 10 and the recording switch 12 can be used as a zooming inhibition switch or a zooming permission switch.

Further, in each of the above embodiments, the case where the present invention is applied to an electronic camera has been described. However, the present invention can be applied to other portable devices.

Further, in each of the above embodiments, the detection of the movement and the rotation of the electronic camera 1 based on the captured image is performed by the time-series change of the contrast of the captured image. It is also possible to detect the movement and rotation of the electronic camera 1 based on the time-series change in the color of the captured image. Alternatively, it is also possible to detect by other image processing.

Further, in each of the above embodiments, a terminal for outputting a video signal is provided so that an image or a menu screen displayed on the LCD 6 of the electronic camera 1 is displayed on an external television receiver or monitor. You can also.

[0202]

According to the information processing apparatus of the first aspect, the display means displays at least one of an image, a character, and a figure, and the detection means provided integrally with the display means. A display that detects at least one of movement and rotation of the display means, and that the display change means displays on the display means in accordance with at least one of movement and rotation of the display means detected by the detection means Since the content is changed, the display on the screen can be changed by moving or rotating the entire device. Therefore, it is possible to improve the operability when changing the display content of the screen of the mobile device or the like.

According to the recording medium of the present invention, the display content displayed on the display means is changed according to at least one of the movement and the rotation of the display means detected by the detection means. Since the program for controlling the changing means is recorded, the display on the screen can be changed by moving or rotating the entire apparatus. Therefore, it is possible to improve the operability when changing the display content of the screen of the mobile device or the like.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of an electronic camera to which the present invention is applied, as viewed from the front side.

FIG. 2 is a perspective view of the electronic camera 1 as viewed from the back side with the LCD cover 14 opened.

FIG. 3 is a perspective view of the electronic camera 1 as viewed from the back side with the LCD cover 14 closed.

FIG. 4 is a diagram showing an example of the internal configuration of the electronic camera 1.

FIG. 5 is a diagram illustrating the operation of an LCD switch 25 and an LCD cover 14 of the electronic camera 1.

FIG. 6 is a block diagram illustrating an example of an internal electrical configuration of the electronic camera 1.

FIG. 7 is a diagram illustrating a thinning process.

FIG. 8 is a diagram illustrating another example of the thinning processing.

FIG. 9 is a diagram showing an example of a display screen displayed on the LCD 6 of the electronic camera 1.

FIG. 10 is a diagram showing an X axis and a Y axis defined with reference to the electronic camera 1.

FIG. 11 is a flowchart illustrating a method for detecting movement and rotation of the electronic camera 1 and controlling screen display based on images captured in time series by the CCD 20.

FIG. 12 is a diagram showing a relationship between an image and a display area displayed on the LCD 6;

FIG. 13 is a diagram showing a menu screen and a setup item selection screen.

FIG. 14 is a block diagram showing another example of the electrical configuration inside the electronic camera 1.

FIG. 15 is a flowchart illustrating a method of detecting rotation of the electronic camera 1 and controlling screen display based on the angular velocity detected by the piezoelectric gyro 61.

FIG. 16 is a block diagram showing still another example of the electrical configuration inside the electronic camera 1.

FIG. 17 is a flowchart illustrating a method for detecting rotation of the electronic camera 1 and controlling screen display based on the azimuth detected by the electronic compass 71.

FIG. 18 is a flowchart illustrating another method of detecting movement and rotation of the electronic camera 1 and controlling screen display based on images captured in time series by the CCD 20.

FIG. 19 is a diagram illustrating an operation of moving the electronic camera 1 in a direction substantially parallel to the optical axis direction of the photographing lens 3.

20 is a diagram showing a time-series change of an image captured by the CCD 20 when the operation of FIG. 19 is performed.

FIG. 21 is a diagram showing a time-series change of an image captured by the CCD 20 when the electronic camera 1 is rotated around the Z axis.

FIG. 22 shows an LCD 6 using a scroll prohibition switch.
FIG. 7 is a diagram for explaining a method of scrolling an image displayed on the screen of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic camera 2 Viewfinder 3 Shooting lens 4 Light-emitting part (flash) 5 Speaker 6 LCD (display means) 6A Touch tablet 7 Operation key 7A Menu key 7B Execute key 7C Cancel key 7D Delete key 7E Scroll key 8 Microphone 9 Earphone jack 10 Release Switch (prohibiting means) 11 Power switch 12 Recording switch (prohibiting means) 13 Continuous shooting mode switching switch 15 Red-eye reduction LED 16 Photometry element 17 Colorimetry element 20 CCD (detection means, imaging means) 21 Battery 22 Capacitor 23 Circuit board 24 Memory Card (storage means) 26 Display element in finder 30 Lens drive circuit 31 Image processing unit 32 Analog / digital conversion circuit (A / D) 33 Digital signal processor (DSP) 34 CC Drive circuit 35 Frame memory 36 Buffer memory 37 Strobe drive circuit 38 Red-eye reduction LED drive circuit 39 CPU (display changing means, control means) 40 Display circuit in finder 41 Pen 42 A / D-D / A conversion circuit 43 ROM 45 Timer 48 Interface 51 Photometric circuit 52 Colorimetric circuit 53 Aperture drive circuit 54 Aperture 61 Piezoelectric gyro (detection means) 62 Piezoelectric gyro drive circuit 71 Electronic compass (detection means) 72 Electronic compass drive circuit

Claims (14)

[Claims] A display unit that displays at least one of an image, a character, and a figure; and a display unit that is provided integrally with the display unit and detects at least one of movement and rotation of the display unit. Detecting means, and display change means for changing display contents displayed on the display means in accordance with at least one of movement and rotation of the display means detected by the detection means. Information processing device. 2. The apparatus according to claim 1, wherein said detecting means captures a predetermined image, and detects movement and rotation of said display means based on a time-series change of the captured image. An information processing apparatus according to claim 1. 3. The information processing apparatus according to claim 2, wherein said detecting means is constituted by a CCD. 4. The information processing apparatus according to claim 3, wherein the detection unit detects an angular velocity due to rotation, and detects rotation of the display unit based on the detected angular velocity. 5. The information processing apparatus according to claim 4, wherein said detecting means detects angular velocities about two axes. 6. The information processing apparatus according to claim 4, wherein said detecting means is constituted by a piezoelectric gyro. 7. The information according to claim 1, wherein the detecting means detects a direction, and detects a rotation of the display means based on a time-series change of the detected direction. Processing equipment. 8. The information processing apparatus according to claim 7, wherein said detecting means is constituted by an electronic compass. 9. An image capturing means for capturing an image of a predetermined subject, a storage means for storing the image captured by the image capturing means, and causing the image capturing means to capture an image of the subject, wherein the image capturing means captures an image of the subject. And control means for controlling the storage means to store the image of the subject in the storage means, wherein the display change means causes the control means to cause the imaging means to take an image of the subject, and the imaging means to: 2. The information processing apparatus according to claim 1, wherein the display content displayed on the display unit is changed when a process of storing the captured image of the subject in the storage unit is not performed. 10. The display control means, when the detection means detects the movement of the detection means in the direction of the optical axis of the display means, enlarges or reduces the display content displayed on the display means. The information processing apparatus according to claim 2, wherein 11. When the detecting means detects at least one of movement and rotation of the display means, the display changing means prohibits a process of changing display contents displayed on the display means. The information processing apparatus according to claim 1, further comprising a prohibition unit. 12. When the detecting means detects rotation about a predetermined straight line perpendicular to the screen of the display means, the display changing means changes the display content displayed on the display means by a predetermined angle. The information processing apparatus according to any one of claims 1 to 11, wherein the information processing apparatus is rotated only by an angle. 13. When the detecting means detects rotation around a predetermined straight line parallel to the screen of the display means, the display changing means changes the display content displayed on the display means in a predetermined direction. The information processing apparatus according to claim 1, wherein the information is scrolled. 14. A display unit for displaying at least one of an image, a character, and a figure, and provided integrally with the display unit to detect at least one of movement and rotation of the display unit. A recording medium used in an information processing apparatus including a detection unit and a display change unit that changes display content of the display unit, wherein at least one of movement and rotation of the display unit detected by the detection unit A recording medium having recorded thereon a program for controlling the display change means so as to change the display content displayed on the display means in accordance with one of the methods.